A good power supply for my system?

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aikor

Reputable
Mar 31, 2014
305
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4,790
Currently I have a 400w psu but people say its not enough for my new system specs

AMD FX4100 3.6 GHZ
Asus motherboard PCI-E 2.0(forgot model)with a hybrid xfire slot
8GB corsair RAM
Gigabyte AMD RADEON HD 7850 1GB
1TB normal HDD
400W coolermaster elite power
 
Solution
Dark Lord of Tech
A Radeon HD 7850 needs at least 21 amps on the 12v rail and a 500 watt power supply.

If you want a solid great priced 550w SEASONIC UNIT with 45 amps on the 12v rail here you go.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($59.99 @ Newegg)
Total: $59.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-05 20:39 EDT-0400)


Or if you are on a tight budget this is decent:

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: EVGA 500W 80+ Bronze Certified ATX Power...
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maurelie

maurelie

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Oct 26, 2013
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400 watts is more than enough for your system (your system will not draw more than 250 watts under full stress), what people mean is that that Cooler Master PSU might not be a quality one. If you are not going to overclock, the PSU will handle the system. But better to be safe than sorry, if you can afford it, get better PSU in the future form the brands such as: Corsair (avoid CX units), XFX, SeaSonic or Antec
 
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Dark Lord of Tech

Dark Lord of Tech

Retired Moderator
Aug 18, 2009
128,614
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159,590
A Radeon HD 7850 needs at least 21 amps on the 12v rail and a 500 watt power supply.

If you want a solid great priced 550w SEASONIC UNIT with 45 amps on the 12v rail here you go.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($59.99 @ Newegg)
Total: $59.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-05 20:39 EDT-0400)


Or if you are on a tight budget this is decent:

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: EVGA 500W 80+ Bronze Certified ATX Power Supply ($34.99 @ Micro Center)
Total: $34.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-05 20:40 EDT-0400)
 
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